Mozilla Firefox 38.0a2 Developer

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Try the best Firefox yet. Mozilla introduces the most customizable Firefox ever with an elegant new design.
Try the best Firefox yet. Mozilla introduces the most customizable Firefox ever with an elegant new design.Mozilla Firefox (known simply as Firefox) is a free and open-source web browser developed for Windows, OS X, and Linux, with a mobile version for Android, by the Mozilla Foundation and its subsidiary, the Mozilla Corporation. Firefox uses the Gecko layout engine to render web pages, which implements current and anticipated web standards.
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